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{ "id": 23109, "url": "https://patchwork.libcamera.org/api/1.1/covers/23109/?format=api", "web_url": "https://patchwork.libcamera.org/cover/23109/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/1.1/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20250403074551.263496-1-stanislaw.gruszka@linux.intel.com>", "date": "2025-04-03T07:45:46", "name": "[v7,0/5] libcamera: start frame events changes", "submitter": { "id": 211, "url": "https://patchwork.libcamera.org/api/1.1/people/211/?format=api", "name": "Stanislaw Gruszka", "email": "stanislaw.gruszka@linux.intel.com" }, "mbox": "https://patchwork.libcamera.org/cover/23109/mbox/", "series": [ { "id": 5109, "url": "https://patchwork.libcamera.org/api/1.1/series/5109/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5109", "date": "2025-04-03T07:45:46", "name": "libcamera: start frame events changes", "version": 7, "mbox": "https://patchwork.libcamera.org/series/5109/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/23109/comments/", "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "X-Original-To": "parsemail@patchwork.libcamera.org", "Delivered-To": "parsemail@patchwork.libcamera.org", "Received": [ "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id CB6B9C3213\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 3 Apr 2025 07:46:01 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id D78DC68996;\n\tThu, 3 Apr 2025 09:46:00 +0200 (CEST)", "from mgamail.intel.com (mgamail.intel.com [192.198.163.7])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 241D168967\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 3 Apr 2025 09:45:57 +0200 (CEST)", "from orviesa003.jf.intel.com ([10.64.159.143])\n\tby fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n\t03 Apr 2025 00:45:57 -0700", "from sgruszka-mobl.ger.corp.intel.com (HELO localhost)\n\t([10.246.8.237]) by ORVIESA003-auth.jf.intel.com with\n\tESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Apr 2025 00:45:54 -0700" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (2048-bit key;\n\tunprotected) header.d=intel.com header.i=@intel.com\n\theader.b=\"DmbvNP4C\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n\td=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n\tt=1743666359; x=1775202359;\n\th=from:to:cc:subject:date:message-id:mime-version:\n\tcontent-transfer-encoding;\n\tbh=kZ/IC5EIaR7c0jwB48Pc/aAUWJFmmmEsCJh/MEnHy4c=;\n\tb=DmbvNP4CN4L6mbK5/lGFgac9GzkNYL0+j+/GjxloleFbLIv6Q1wu8h7/\n\ty65GFO92dtgXEXm4AQ3ll2wM5FkSDR++RgkHpJMEauXPWnGln+CT6AHJz\n\tbHtzkhdiq6mSLFKCT5108ALkWCJ7GR7TA0BrfeMOeS1cnw7z5ncsDP52R\n\tTP2fpIOfftvuypeMx/LTvq4ebo8cgzXpU9B2AoAmSABiFPMjaAst6kYEj\n\t8yunwj5u53ilZBDU0OULpjT0BnnbA30nl4AXpjSrQxrO57nn6etyLNGQ8\n\tE4n8Yf8pWXcpjOSKZCQqffVaG97lhY71o2NZZzaDFIFW6043HL7Fzf+63 Q==;", "X-CSE-ConnectionGUID": [ "9pc0iTpSRa2HY1Ic9LHiVQ==", "tI5Mm95zT9iNZ0vNfU5kcw==" ], "X-CSE-MsgGUID": [ "AUqlkeaxTI+YYCD/qTierg==", "OJMOhW4uSLaUmZ2xSrw2og==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6700,10204,11392\"; a=\"70425124\"", "E=Sophos;i=\"6.15,184,1739865600\"; d=\"scan'208\";a=\"70425124\"", "E=Sophos;i=\"6.15,184,1739865600\"; d=\"scan'208\";a=\"131785126\"" ], "X-ExtLoop1": "1", "From": "Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Milan Zamazal <mzamazal@redhat.com>, Hans de Goede <hdegoede@redhat.com>,\n\tLaurent Pinchart <laurent.pinchart@ideasonboard.com>,\n\tKieran Bingham <kieran.bingham@ideasonboard.com>,\n\tSakari Ailus <sakari.ailus@linux.intel.com>", "Subject": "[PATCH v7 0/5] libcamera: start frame events changes", "Date": "Thu, 3 Apr 2025 09:45:46 +0200", "Message-Id": "<20250403074551.263496-1-stanislaw.gruszka@linux.intel.com>", "X-Mailer": "git-send-email 2.34.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "v6 -> v7:\n - document disabling event side effect\n - add Stefan and Kieran R-b tags\n\nv5 -> v6:\n - remove changelog paragraph not applicable any longer in patch1\n - use new clang-format formatting in patch1\n - split patches differently\n - use Laurent changelog wording\n - add various comments in the code\n - use '' in log when printing emitter name\n\nv4 -> v5:\n - split patch2 into 3 separte patches\n - drop frameStartEnabled(), return error from start\n - use for (const Entity &entity : entities_) insted of iterator\n - reset delayed controls before enabling events\n\nv3 -> v4:\n - constify frameStartEnabled()\n - make supportsFrameStartEvent() more readable\n - rename eventEmitter to startFrameEmitter\n - update patch2 changelog to make it more clear\n\nv2 -> v3:\n - add helpers for v4l2_device\n - initialize eventEmitter_ in init(), when no proper device is found\n use nullptr (this fix crash seen by Kieran as eventEmitetter was\n\t not nullptr in v2)\n\nv1 -> v2:\n - make eventEmitter_ subdevice part of SimpleCameraData\n - add debug log when found event emitter device\n - nullify eventEmitter_ on stop\n - remove direct sensor_->setControls()\n - add delayedCtrls_->reset() on start\n\n\nLaurent Pinchart (1):\n pipeline: simple: Create DelayedControls instance once only\n\nStanislaw Gruszka (4):\n libcamera: v4l2_device: add frame start event helpers\n pipeline: simple: Connect/disconnect frameStart signal at start/stop\n time\n pipeline: simple: Enable frame start events\n pipeline: simple: Reset delayedCtrls at start\n\n include/libcamera/internal/v4l2_device.h | 1 +\n src/libcamera/pipeline/simple/simple.cpp | 66 +++++++++++++++++++-----\n src/libcamera/v4l2_device.cpp | 22 ++++++++\n 3 files changed, 76 insertions(+), 13 deletions(-)\n\n--\n2.43.0" }